A hydrogen like atom has one electron revolving round a stationary nucleus. If the energy required to excite the electron from the 2 nd orbital to 3rd orbit is 
, find the atomic number of the given atom.
A
3
B
4
C
D
6
Text Solution
Verified by ExpertsThe correct answer is:
C
Energy of nth orbit
For hydrogen atom, 
and 
,
And for 
Similarly, for 
,
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